On efficiency and interpretation of sawteeth pacing with on-axis ICRH modulation in JET

In metallic machines ICRH heating is playing an increasingly important role. One of its most recent applications on the Joint Europena Torus (JET) is sawtooth control by ICRH modulation, for avoidi ...

[1]  D. Ruelle,et al.  Ergodic theory of chaos and strange attractors , 1985 .

[2]  R. Magne,et al.  Closed Loop Sawtooth Period Control Using Variable ECCD Injection Angles on Tore Supra , 2009 .

[3]  N. R. Sauthoff,et al.  Studies of internal disruptions and m=1 oscillations in tokamak discharges with soft--X-ray techniques , 1974 .

[4]  Schreiber,et al.  Measuring information transfer , 2000, Physical review letters.

[5]  A. Murari,et al.  Sawtooth pacing with on-axis ICRH modulation in JET-ILW , 2017 .

[6]  J. L. Soule,et al.  Internal kink modes in toroidal plasmas with circular cross sections , 1975 .

[7]  F. G. Rimini,et al.  Energetic particle physics in JET , 2000 .

[8]  Fraser,et al.  Independent coordinates for strange attractors from mutual information. , 1986, Physical review. A, General physics.

[9]  White,et al.  Sawtooth stabilization by energetic trapped particles. , 1988, Physical review letters.

[10]  F. Takens.  Detecting strange attractors in turbulence , 1981 .

[11]  F Turco,et al.  Demonstration of effective control of fast-ion-stabilized sawteeth by electron-cyclotron current drive. , 2009, Physical review letters.

[12]  C. Giroud,et al.  Optimization of ICRH for core impurity control in JET-ILW , 2016 .

[13]  George Sugihara,et al.  Detecting Causality in Complex Ecosystems , 2012, Science.

[14]  A. Murari,et al.  Nonlinear dynamic analysis of Dα signals for type I edge localized modes characterization on JET with a carbon wall , 2018 .

[15]  O. Sauter,et al.  On ion cyclotron current drive for sawtooth control , 2006 .

[16]  C. Granger.  Investigating Causal Relations by Econometric Models and Cross-Spectral Methods , 1969 .

[17]  M. Kruskal,et al.  On the Stability of Plasma in Static Equilibrium , 1958 .

[18]  White,et al.  High- beta, sawtooth-free tokamak operation using energetic trapped particles. , 1989, Physical review letters.

[19]  H. Abarbanel,et al.  Determining embedding dimension for phase-space reconstruction using a geometrical construction. , 1992, Physical review. A, Atomic, molecular, and optical physics.

[20]  J. Zbilut,et al.  Embeddings and delays as derived from quantification of recurrence plots , 1992 .

[21]  Jürgen Kurths,et al.  Recurrence plots for the analysis of complex systems , 2009 .

[22]  R. Mañé,et al.  On the dimension of the compact invariant sets of certain non-linear maps , 1981 .

[23]  I. T. Chapman,et al.  Sawtooth control in JET with ITER relevant low field side resonance ion cyclotron resonance heating and ITER-like wall , 2014 .

[24]  Gerd Vandersteen,et al.  Demonstration of sawtooth period locking with power modulation in TCV plasmas , 2012 .

[25]  David G. Stork,et al.  Pattern Classification (2nd ed.) , 1999 .

[26]  Jürgen Kurths,et al.  Multivariate recurrence plots , 2004 .

[27]  Control of sawtooth periods by pulsed ECH/ECCD in the FTU tokamak , 2014 .

[28]  O. Sauter,et al.  Sawtooth pacing by real-time auxiliary power control in a tokamak plasma. , 2011, Physical review letters.